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For the Inventor, By the Inventor

Nagaokakyo, Japan

Kiyohisa Kawai

This inventor holds 9 USPTO granted patents. Top assignees: Takeda Chemical Industries, Inc., Takeda Chemical Company, Ltd.. Active years: 1976-1983.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyohisa Kawai. Retrieved from https://idiyas.com/inventor/kiyohisa-kawai

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 3.4

ph-index = 3

Forward Citations = 50(Granted Patents)


Location History:

  • Kyoto, JA (1976 - 1977)
  • Nagaokakyo, JP (1978 - 1982)
  • Kyoto, JP (1978 - 1983)

Company Filing History:

goldMedal8 out of 1,858 
 
Takeda Chemical Industries, Inc.
 patents
silverMedal1 out of 2 
 
Takeda Chemical Company, Ltd.
 patents

Years Active: 1976-1983

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9 patents (USPTO):Explore Patents
1. 4382923 - Tetrapeptide acylhydrazides, their production and use (1983-05-10),
2. 4337247 - Tetrapeptidesemicarbazide derivatives and their production and use (1982-06-29),
3. 4277394 - Tetrapeptidehydrazide derivatives (1981-07-07),
4. 4202975 - Isoxazolo[3,4-d]pyrimidines (1980-05-13),
5. 4129654 - Isoxazolo[3,4-d]pyrimidines useful as antiinflammatory-analgesic agents (1978-12-12),
6. 4111997 - Benzalicyclic carboxylic acid derivative (1978-09-05),
7. 4018817 - 6-Halo-5-cyclohexylindan-1-carbohydroxamic acid (1977-04-19),
8. 4007225 - 4-Benzoylindan-1-carboxamide and derivatives thereof (1977-02-08),
9. 3953500 - Benzalicyclic carboxylic acid derivative (1976-04-27),

Title: The Innovative Journey of Kiyohisa Kawai

Introduction: Kiyohisa Kawai, a pioneering inventor hailing from Nagaokakyo, Japan, has made significant contributions to the world of technology through his groundbreaking innovations.

Latest Patents: Kawai's recent patents focus on advancements in renewable energy technologies, particularly in the field of solar power generation and energy storage solutions.

Career Highlights: With a career spanning over two decades, Kiyohisa Kawai has established himself as a leading figure in the renewable energy sector, holding multiple patents that have revolutionized the industry.

Collaborations: Throughout his career, Kawai has collaborated with top research institutions and universities in Japan to further develop his inventions and bring them to the market, solidifying his reputation as a visionary inventor.

Conclusion: Kiyohisa Kawai's relentless pursuit of innovation and his commitment to creating sustainable solutions have cemented his legacy as a trailblazing inventor in the realm of renewable energy technologies.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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